package com.kongxx.wicketstudy.tutorial.user.service;

import java.util.List;

import com.kongxx.wicketstudy.tutorial.user.model.User;

public interface UserService {
	
	List list();
	
	List list(final int first, final int size);
	
	public List list(final int first, final int size, final String sort, final String order);
	
	User find(String id);
	
	void add(User user);
	
	void modify(User user);
	
	void delete(User user);
}
